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The Minor Planet Observer
and
Palmer Divide Observatory

3169 Ostro (2009)

MPC Designation: 1981 LA
Lightcurves Period (h): 6.503 0.003
Amplitude (mag): 0.79 0.02
Equipment:

 

Filter: C
MagBand: R
Telescope: 0.5m f/8.1 R/C
Camera: SBIG STL-1001E
Exposure: 180

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2009-03-21 08:00  15.32   28.1  150.7   33.0
2009-03-22 07:00  15.33   28.3  150.9   33.0
2012-05-30 07:00  14.85   12.1  251.0   17.5
2012-05-31 07:00  14.84   11.9  251.0   17.3
2012-06-01 07:00  14.84   11.7  251.0   17.1

Data Points: 145
Discovered: 1981-06-04  Anderson Mesa  E. Bowell
Family/Group: Hungaria
Taxonomic Class: Xe
Published: MPB Pending
NOTES: Unless otherwise stated, the "Reduced Magnitudes" in the plots are Cousins R, based on 2MASS to BVRI conversions (Warner, MPB 34, 113-119)

Followup to 2009 observations at PDO. Known binary but satellite probably too small to be seen photometrically.

 

Contents 2012 Brian D. Warner / Palmer Divide Observatory

 

 

 

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